Check if the provided wallet address was used in the Fonbnk system
0xdfce2eff134a643953661ed8306145e8023d8f3f
POST /api/util/check-address HTTP/1.1 Host: sandbox-api.fonbnk.com x-client-id: YOUR_API_KEY Content-Type: application/json Accept: */* Content-Length: 56 { "address": "0xdfce2eff134a643953661ed8306145e8023d8f3f" }
Address usage status
{ "used": true }